Writing instrument



FIG. 1 is a front side elevational view of the first embodiment of the writing instrument of this invention, the rear side elevational view being a mirror image thereof;

FIG. 2 is a right side elevational view of the first embodiment of the writing instrument of this invention;

FIG. 3 is a left side elevational view of the first embodiment of the writing instrument of this invention;

FIG. 4 is a top plan view of the first embodiment of the writing instrument of this invention;

FIG. 5 is a bottom plan view of the first embodiment of the writing instrument of this invention;

FIG. 6 is a front side elevational view of the second embodiment of the writing instrument of this invention, the rear side elevational view being a mirror image thereof;

FIG. 7 is a right side elevational view of the second embodiment of the writing instrument of this invention;

FIG. 8 is a left side elevational view of the second embodiment of the writing instrument of this invention;

FIG. 9 is a top plan view of the second embodiment of the writing instrument of this invention; and,

FIG. 10 is a bottom plan view of the second embodiment of the writing instrument of this invention.

The portions of the writing instrument depicted by means of broken lines in FIGS. 6 through 10 have been shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a writing instrument, as shown and described. 